10.28.22
US Patent No. 11,478,413 B2 (Geum Joung Youn, Yeon Ju Kwak); Agricultural Corporation Gagopa-Healing Food, Changwon-si, Korea, has patented a method for manufacturing black ginseng low molecular collagen essence. It entails adding koji mould to ginseng to manufacture black ginseng; mixing the black ginseng with oligosaccharide, to manufacture black ginseng concentrate; and fermenting and sterilizing the black ginseng concentrate, after adding collagen to the black ginseng concentrate.